B 0.15
C. 0.940M
D. 1.500M
3.
THEORY QUESTIONS
1. (a) Explain the differences i...
Biology, 16.11.2020 08:00, 4804393909
B 0.15
C. 0.940M
D. 1.500M
3.
THEORY QUESTIONS
1. (a) Explain the differences in the reactions
zinc with dilute trioxonitrate (M) acid and a
(b) Write equations to illustrate how
ammonia gas can be converted into
dements
avaion
by an
t not
with dilute hydrochloric acid.
by
in
KO
(S
(a)
4.
e in
one
(b)
hea
trioxonitrate (V) acid
(c) Calculate the mass of sodium
trioxonitrate (M) produced when 30.0g of
sodium hydroxide reacts with 100cm* ofll
trioxonitrate (V) acid.
(i) z
(ii) C
V) explain acidic oxide
Answers: 1
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Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
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The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.
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The dense layer of connective tissue that surrounds an entire skeletal muscle is the
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